Get current pricing for Killebrew Engineering, 490 Sq Ft CS Horizon 490 Sq Ft Horizontal Cs U-tube Heat Exchanger. Cs Shell Rated 150 Psi @ 200 Deg F. Cs Tubes Rated 150 Psi @ 200 Deg. F. Shell: 20 Od X 17', . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: